Belkin F9K1122 1.00.33 /goform/formReboot webpage stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.0 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Belkin F9K1122 1.00.33. This impacts the function formReboot of the file /goform/formReboot. Such manipulation of the argument webpage leads to stack-based overflow.
This vulnerability is traded as CVE-2026-4167. The attack may be launched remotely. Furthermore, there is an exploit available.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability, which was classified as critical, has been found in Belkin F9K1122 1.00.33. Affected by this issue is the function formReboot of the file /goform/formReboot. The manipulation of the argument webpage with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-4167. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-12210). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
03/14/2026 Advisory disclosed03/14/2026 VulDB entry created
03/15/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-4167 (🔒)
GCVE (CVE): GCVE-0-2026-4167
GCVE (VulDB): GCVE-100-351074
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/14/2026 13:37Updated: 03/15/2026 09:47
Changes: 03/14/2026 13:37 (57), 03/15/2026 09:47 (1)
Complete: 🔍
Submitter: LtzHust2
Cache ID: 216:3A0:103
Submit
Accepted
- Submit #769727: Belkin F9K1122 1.00.33 Stack-based Buffer Overflow (by LtzHust2)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
No comments yet. Languages: en.
Please log in to comment.